Last updated: March 2, 2024
The weather in Sumurnanjung, Indonesia, during September is characterized by an average temperature of 23°C (74°F). Highs can soar to 29°C (85°F), while lows may dip to 19°C (66°F). Typically, the humidity level in Sumurnanjung throughout September hovers around 77%.
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Average temperature
Maximum temperature
Humidity
In September, Sumurnanjung averages 207 mm (8.2 inches) of rainfall, typically over the course of 20 rainy days. The month enjoys an average of 12 hours 3 minutes of daylight, with the sun shining for approximately 9 hours 48 minutes each day. Additionally, there is a 19% probability of sunny days during this period.
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In September, the UV Index in Sumurnanjung reaches a maximum of 15, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 2 | 4 | 8 | 12 | 14 | 15 | 12 | 9 | 5 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 30 min | 45 min | ||||||